Grease a pan with ghee and keep aside

In a mixing bowl add custard powder, water, sugar, and cardamom powder; mix well without any lumps

Add ghee and prepared mixture to the heavy-bottomed pan. turn the stove on high flame and cook

Mixture starts thickening

Liquid turs to halwa thickness. Add ghee and mix well

Add cashew and mix well. continue cooking

Furthermore  ghee and mix well

Once halwa thickens and turns glossy start checking for halwa consistency. Take a small portion of the halwa and rest it for a minute, meanwhile, cook halwa on low flame. If halwa is sticky continue cooking

Continue cooking and check halwa consistency. Take a small portion of the halwa and rest it for a minute, meanwhile, cook halwa on low flame. If halwa turns nonstick, mix well and turn off the stove

Transfer and level. cool completely

Cool completely and cut the halwa to your desired size